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    There are more card deck combinations than there are atoms on Earth.

    If you happen to be around a monkey, you might be inclined to feed it a banana. But the fact is, bananas contain far too much sugar for monkeys to handle. "Giving this fruit to animals is equivalent to giving them cake and chocolate," according to Dr. Amy Plowman, head of conservation and advocacy at the Paignton Zoo in Devon, U.K. "Compared to the food they would eat in the wild, bananas … have lots of calories and contain much more sugar that's bad for their teeth and can lead to diabetes and similar conditions. It can also cause gastrointestinal problems as their stomachs are mostly adapted to eating fibrous foods with very low digestibility." The more you know!

    125 Facts That Will Make You Feel Instantly Smarter

    You might think you know it all, but the world is still full of facts that'll expand your mind. Make yourself feel smarter with these 125.